Prong set round lab-grown diamond ring by THE LAB Jewellers
Marnie — Round Lab-Grown Diamond Ring (0.31ct Total) — worn close-up detail
Marnie — Round Lab-Grown Diamond Ring (0.31ct Total) — worn on the hand
Marnie — Round Lab-Grown Diamond Ring (0.31ct Total) — worn, angled detail
prong set round lab-grown diamond ring in yellow gold by THE LAB Jewellers
prong set round lab-grown diamond ring in rose gold by THE LAB Jewellers
Marnie — Round Lab-Grown Diamond Ring (0.31ct Total), view 1
Marnie — Round Lab-Grown Diamond Ring (0.31ct Total), view 2
Marnie — Round Lab-Grown Diamond Ring (0.31ct Total), view 3
Marnie — Round Lab-Grown Diamond Ring (0.31ct Total), view 4
Ring yellow gold view 1
Ring yellow gold view 2
Ring yellow gold view 3
Ring yellow gold view 4
Ring rose gold view 1
Ring rose gold view 2
Ring rose gold view 3
Ring rose gold view 4

Marnie — Round Lab-Grown Diamond Paisley Swirl Ring (0.31ct Total)

Approx. 0.31ct total · Round

D–F colour · VS1+ clarity

Made to order — dispatched in around four weeks, hallmarked where required

Regular price£595.00
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Free tracked and signed-for UK delivery. View delivery details.

Metal

Made in your size at no extra cost. Ring size guide

Not sure of your size? Order a strap sizer — it is £5.00, and we email the full £5.00 straight back to you as a gift card, so it comes off the price of your ring.

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Lab-grown diamond quality

D–F colour  ·  VS1 clarity or better

Every lab-grown diamond is D–F colour and VS1 clarity or better. Round brilliant lab-grown diamonds can receive a formal cut grade; fancy shapes are assessed through their proportions, polish, symmetry and overall make. Any piece whose centre stone, on its own, weighs 1.00ct or more includes an individual IGI grading report as standard. Total carat weight does not count towards this.

Marnie refuses to travel in a straight line. Gold curls across the finger in a paisley swirl, carrying round lab-grown diamonds from one end of the flowing form to the other. The result feels expressive and ornate, chosen for the person who finds more beauty in movement than perfect symmetry.

Its curve is built from thirty-two prong-set stones in five measured sizes. The round lab-grown diamonds range from 1.10mm to 1.50mm, giving the pattern some variety as it turns. That mix of sizes follows the gold itself, making the swirl, rather than a single central stone, the heart of Marnie's design.

Also in sterling silver. Marnie is available in 925 sterling silver — see the silver version.

Follow Marnie's curve

Marnie gives the whole ring a sense of movement, not just its stones. Thirty-two round lab-grown diamonds total 0.31ct, with five sizes used to articulate the paisley curve from end to end. Choose 14kt for the harder, more scratch-resistant gold, or 18kt for more pure gold and a heavier feel. White, Yellow or Rose Gold lets you decide whether that ornate line feels cool, warm or softly coloured.

  • Stone type: Lab-grown diamond
  • Stone shape: Round
  • Stones: 4 × 1.10mm, 13 × 1.20mm, 5 × 1.30mm, 5 × 1.40mm and 5 × 1.50mm
  • Stone count: 32 lab-grown diamonds
  • Total lab-grown diamond weight: approximately 0.31ct
  • Metal options: 14kt or 18kt White, Yellow or Rose Gold

Ring Size

This ring is made to order in your size. Choose your UK ring size when you order — there is no extra charge for any size. If you are unsure of your size, our ring sizer makes it easy at home — and your £5 comes straight back to you as a gift card. Standard UK sizes are available — if you need guidance, contact us before placing your order.

Made to Order

Every piece is crafted to your chosen metal and size. Our usual timeline is around four weeks from order to dispatch, which includes UK hallmarking where required. More complex pieces may take slightly longer. We confirm the expected timeframe in writing before production begins.

Wearing Marnie

Wear Marnie alone when you want the full paisley shape to remain clear across the finger. If you add other rings, choose quieter bands and leave the flowing outline room to turn. Its mix of stone sizes brings detail from several angles, so it does not depend on one central viewpoint.

Questions about Marnie

How many stone sizes create Marnie's swirl?
Marnie uses five sizes of round lab-grown diamonds: 1.10mm, 1.20mm, 1.30mm, 1.40mm and 1.50mm. Together they give the thirty-two stones a varied, flowing look along the paisley curve.

What is Marnie's setting and total weight?
Its thirty-two round lab-grown diamonds are prong set and total approximately 0.31ct. The setting continues along the gold swirl, so the design is defined by the full curved arrangement rather than one centre stone.

Is Marnie available outside the gold collection?
Yes. Alongside the 14kt and 18kt White, Yellow and Rose Gold choices, Marnie is also available as a separate design in 925 sterling silver. Choose the version that best suits the jewellery you wear most often.

Jewellery Care

Store separately in the pouch or box provided. Avoid contact with harsh chemicals, perfume, and chlorine. Clean gently with a soft cloth or mild soap solution. Remove before swimming, exercising, or sleeping. See our Materials & Care guide for full instructions.

Need help choosing?

Unsure on size, metal, or lab-grown diamond specification? Email us and we'll guide you to the right option before you order — we reply personally, within two working days.

All pieces are made to order. Sterling silver and gold pieces dispatch in around four weeks, which includes UK hallmarking where required. Every order is tracked and signed for, and UK delivery is free. See how your piece is made, plus our Shipping & Delivery and Returns & Refunds pages for full details.

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